ALPHA-2 AGONIST AND ANESTHESIA Comparative Study: Phenylepherine Versus Ephedrine For Management Of Hypotension During Spinal Anesthesia For Ceasarean Section Perioperative Dexmedetomidine Infusion might improve Postoperative Cognitive Function Recovery in Traumatic Brain Injury Patients Dexmedetomidine overrides Fentanyl and Tramadol as Epidural Adjuvant for its advantageous Anesthetic Outcomes and Immunomodulatory effects Greater Occipital Nerve Block or Suboccipital Intramuscular Injections are effective for management of Postdural Puncture Headache: A placebo-controlled study. Biomarkers for prediction of acute kidney injury after Cardiac and Non-cardiac Elective Surgeries: A comparative observational study. Minipercutaneous Nephrolithotomy Under Mixture of Local Anesthesia: A Randomized Controlled Study Can trajectory nor-epinephrine infiltration reduce blood loss during percutaneous nephrolithotomy? A double-blinded randomized controlled trial